Description

Ethyl 4-Chloro-1-Methyl-1H-Pyrazole-3-Carboxylate is a high-purity pyrazole derivative serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in providing a versatile, functionalized scaffold for constructing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and agrochemicals. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce the 4-chloro-1-methylpyrazole moiety into target structures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Synthesis: Used in the research and production of modern pesticides, herbicides, and fungicides, where the pyrazole core contributes to biological activity.
• Chemical Research & Development: Serves as a versatile precursor for further functionalization (e.g., hydrolysis, amidation, cross-coupling reactions) in academic and industrial R&D labs.
• Ligand and Catalyst Preparation: Utilized for synthesizing specialized pyrazole-based ligands for coordination chemistry and catalysis.
• Material Science Precursor: Potential intermediate in the development of organic electronic materials and functional polymers.

Basic Information

Product Name	Ethyl 4-Chloro-1-Methyl-1H-Pyrazole-3-Carboxylate
CAS No.	942853-19-2
Molecular Formula	C7H9ClN2O2
Molecular Weight	188.61 g/mol
Synonyms	4-Chloro-1-methyl-1H-pyrazole-3-carboxylic acid ethyl ester; Ethyl 4-chloro-1-methylpyrazole-3-carboxylate; 1-Methyl-4-chloro-1H-pyrazole-3-carboxylic acid ethyl ester; 942853-19-2; 4-Chloro-1-methyl-1H-pyrazole-3-carboxylic acid, ethyl ester; Ethyl 4-chloro-1-methyl-1H-pyrazole-3-carboxylate; 3-Carbethoxy-4-chloro-1-methylpyrazole
EINECS	Contact for details

Quality Control

Our Ethyl 4-Chloro-1-Methyl-1H-Pyrazole-3-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistent identity. Certificates of Analysis (COA) detailing purity, impurity profiles, and physical characteristics are provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.